<?php 
$loop = new WP_Query( array( 'post_type' => 'projets', 'posts_per_page' => '1' ) ); 
if ( $loop->have_posts() ) :
 while ( $loop->have_posts() ) : 
$loop->the_post(); // get all of the terms for this post, with the taxonomy of categories-projets. $terms = get_the_terms( $post->ID, 'categories-projets' ); 
the_title(); // create the span element, and write out the date this post was created. echo "<span>" . the_date(); 
foreach ( $terms as $term ) { echo $term->name; } echo "</span>";
endwhile;
wp_reset_query(); endif; 
?>